The content is as follows: 1. Through the serial port, prompt the user to enter the countdown time (0~999 seconds); 2. After the time setting is completed, prompt the user to select the control mode: ...
I want to study voice recognition recently, but I don't know which voice chip is better, especially for non-specific speech recognition. How about Lingyang SPCE061a? Please give me some advice!...
Has anyone used 2812 to display real-time waveforms on an LCD screen? I am currently using sed1335 as the LCD driver chip. Now, there is a problem: when I am drawing a line, the screen will not displa...
EPROM is a ROM memory with erasable function. It can be reprogrammed after erasing. Before writing, the contents inside must be cleared by irradiating the transparent window on its IC card with ultrav...
When compiling in the iccavr compilation environment, when a variable is defined, the following situation will occur. iccavr -o Uart_Boot -LC:\icc\lib\ -g -ucrtatmega.o -bfunc_lit:0x8c.0x20000 -dram_e...
[p=null, 2, left] [b][color=blue]Part 1: Definition of Hole without Copper [/color][/b][/p] [p=null, 2, left]Hole without copper refers to the open circuit in the metallized hole of the printed circui...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[Details]
This article focuses on closing the feedback loop of an isolated power supply using a TL431 shunt regulator. The article discusses a method to extend the bandwidth of the power supply control loop ...[Details]